How to view the hostname in Hadoop?
In Hadoop, you can view the hostname using the following command:
- Execute the hostname command:
- name of the computer or device
- Use the ifconfig command:
- Display network interface configuration.
- Use the command “hostname -i”:
- What is the IP address of the host?
- Using the nslookup command:
- Find the IP address of the current host using nslookup.
- View the /etc/hostname file using the cat command:
- Show the contents of the hostname file.
These commands can be executed on any node in the Hadoop cluster to view the hostname of the current node.